Open instep swim fin



FIG. 1 is a perspective view of my open instep swim fin;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a left side elevational view thereof;

FIG. 8 is a perspective view of a second embodiment of the open instepswim fin;

FIG. 9 is a top view of the FIG. 8 embodiment;

FIG. 10 is a rear view of the FIG. 8 embodiment;

FIG. 11 is a right side elevational view of the FIG. 8 embodiment with aleft side elevational view being substantially a mirror image thereof;

FIG. 12 is a rear view of the FIG. 8 embodiment;

FIG. 13 is a bottom view of the FIG. 8 embodiment;

FIG. 14 is a perspective view of a third embodiment of the open instepswim fin;

FIG. 15 is a top view of the FIG. 14 embodiment;

FIG. 16 is a front view of the FIG. 14 embodiment;

FIG. 17 is a right side elevational view of the FIG. 14 embodiment withthe left side elevational view being substantially a mirror imagethereof;

FIG. 18 is a rear view of the FIG. 14 embodiment;

FIG. 19 is a bottom view of the FIG. 14 embodiment;

FIG. 20 is a perspective view of a fourth embodiment of the open instepswim fin;

FIG. 21 is a top view of the embodiment shown in FIG. 20;

FIG. 22 is a front view of the embodiment shown in FIG. 20;

FIG. 23 is a right side elevational view of the FIG. 20 embodiment withthe left side elevational view being substantially a mirror imagethereof;

FIG. 24 is a bottom view of the FIG. 20 embodiment; and,

FIG. 25 is a rear view of the FIG. 20 embodiment.

The ornamental design for a open instep swim fin, as shown anddescribed.